145824456 has 32 divisors (see below), whose sum is σ = 372320640. Its totient is φ = 47573568.

The previous prime is 145824401. The next prime is 145824457. The reversal of 145824456 is 654428541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145824457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63511 + ... + 65766.

It is an arithmetic number, because the mean of its divisors is an integer number (11635020).

Almost surely, 2^145824456 is an apocalyptic number.

It is an amenable number.

145824456 is an abundant number, since it is smaller than the sum of its proper divisors (226496184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145824456 is a wasteful number, since it uses less digits than its factorization.

145824456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129333 (or 129329 counting only the distinct ones).

The product of its digits is 153600, while the sum is 39.

The square root of 145824456 is about 12075.7797263779. The cubic root of 145824456 is about 526.3526191252.

The spelling of 145824456 in words is "one hundred forty-five million, eight hundred twenty-four thousand, four hundred fifty-six".